Materials that are magnetic are called:
Can some magnets produce a stronger magnetic field than others?
A coiled wire produces a weaker electromagnetic field than a straight wire.
The earth's magnetic north pole and geographical north pole are different
The earth's magnetic poles never change
What is happening to the earth's magnetic poles?
Electric motors convert current into:
Magnetic fields are used to store information on computer hard drives.
A magnetic field is generated when atoms are randomly arranged.
A magnets strength is
Nearly all power plants use electromagnetism to produce electricity
Where does the aurora borealis occur?
The color of the aurora depends on the altitude that it occurs in
You are likely to see more auroras during a solar maximum.
The direction of the current through a wire does not affect the magnetic field.
Magnets can be used in:
Dr. James Van Allen discovered
Generators use magnetic energy to produce
Joseph Henry
Hans Christian Oersted
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